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Cobra Forums
SVT Shelby GT500
Cats that can handle the power?
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<blockquote data-quote="Jam421" data-source="post: 16386101" data-attributes="member: 110985"><p>I had Cats from AMR break down even where one of my my Corsa Sports caught the retaining screen which was a PITA rattle. During that time I was sorting out some mod issues & had lots of dyno pulls. AMR told me multiple back to back standing dyno pulls are NOT Cat friendly mostly because of intense heat despite the fans. They said there's world of cooling effect difference when the car is rolling . At the time I was making 700rw. </p><p>I had the Cats swapped out but this time they were flanged in. The tech advised if I'm in a mod stage again requiring many back to back dyno pulls to bolt in their OR Cat eliminator pipe. If I was to do it again of course I'd specify not to have the Cats welded but flanged in. Either way AMR got me twice on Cats ($700 for the swap) but there have been zero issues the past 2 years. </p><p>HEAT is the enemy.</p></blockquote><p></p>
[QUOTE="Jam421, post: 16386101, member: 110985"] I had Cats from AMR break down even where one of my my Corsa Sports caught the retaining screen which was a PITA rattle. During that time I was sorting out some mod issues & had lots of dyno pulls. AMR told me multiple back to back standing dyno pulls are NOT Cat friendly mostly because of intense heat despite the fans. They said there's world of cooling effect difference when the car is rolling . At the time I was making 700rw. I had the Cats swapped out but this time they were flanged in. The tech advised if I'm in a mod stage again requiring many back to back dyno pulls to bolt in their OR Cat eliminator pipe. If I was to do it again of course I'd specify not to have the Cats welded but flanged in. Either way AMR got me twice on Cats ($700 for the swap) but there have been zero issues the past 2 years. HEAT is the enemy. [/QUOTE]
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SVT Shelby GT500
Cats that can handle the power?
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